*{
    margin: 0;
    padding: 0;
}
body{
    font:14px/1.5rem "Microsoft Yahei";
}
ul#menu{
    margin:10px auto;/*头部10px，左右居中显示*/
    width: 200px;
    list-style: none none outside;
    border: 1px solid #911001;
}
ul#menu li{
    background-color:#B51600;
    cursor: pointer;/*规定显示光标类型，指示指针，一只手*/
    height：42px;
    border-bottom: 1px solid #911001;
    border-top: 1px solid #C11E08;
}
ul#menu li span{
    display: block;
    width: 24px;
    height: 40px;
    background-image: url(../img/s-icon.png);
    float: left;
    margin:0 8px 0 10px;
}
ul#menu li a{
    color: #ffffff;
    line-height: 42px;
}

ul#menu li:hover{
    background-color: #ffffff;
    border-color: #fff;
}
ul#menu li:hover a{
    color: #B51600;
}
ul#menu li:hover span{
    
}